BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 United States 36 48.6%
2 China 18 24.3%
3 France 6 8.1%
4 Korea, Republic of 4 5.4%
5 Canada 3 4.1%
6 Hungary 2 2.7%
7 India 2 2.7%
8 Germany 1 1.4%
9 Philippines 1 1.4%
10 Taiwan 1 1.4%